More importantly, SP1 also includes tweaks to VSTS Team Foundation Server, Microsoft’s software lifecycle management framework, designed to boost performance.

Along with the production release of SP1, Microsoft is also releasing a beta for VSTS tweaks for Vista. The highlight is tuning VSTS for better compatibility with the new User Access Control security model of the Vista platform.

That’s the feature that pops up alarms and dialogue boxes anytime a user is exceeding his or her permissions interacting with the platform. The goal of user access control is to ensure that the interactions are not being triggered by viruses or other malware.

That can be a critical hurdle as developers debug software, because the goal of debugging is to exercise the software in ways that might not fit the norms for the user’s profile. The service pack tweaks VS to enable such developer activity in a way that Vista perceives as within their normal behavior.

The production version of the service pack for Vista will be available around or just after the consumer version of Vista become generally available at the end of January.